llvm-project/openmp/testsuite/c/omp_parallel_shared.c

44 lines
1.0 KiB
C

<ompts:test>
<ompts:testdescription>Test which checks the shared option of the parallel construct.</ompts:testdescription>
<ompts:ompversion>3.0</ompts:ompversion>
<ompts:directive>omp parallel shared</ompts:directive>
<ompts:testcode>
#include <stdio.h>
#include <unistd.h>
#include "omp_testsuite.h"
int <ompts:testcode:functionname>omp_parallel_shared</ompts:testcode:functionname> (FILE * logFile)
{
<ompts:orphan:vars>
int i;
int sum;
</ompts:orphan:vars>
sum = 0;
int known_sum;
known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2 ;
#pragma omp parallel private(i) <ompts:check>shared(sum)</ompts:check> <ompts:crosscheck>firstprivate(sum)</ompts:crosscheck>
{
<ompts:orphan>
int mysum = 0;
#pragma omp for
for (i = 1; i <= LOOPCOUNT; i++)
{
mysum = mysum + i;
}
#pragma omp critical
{
sum = sum + mysum;
} /* end of critical */
</ompts:orphan>
} /* end of parallel */
if (known_sum != sum) {
fprintf(logFile, "KNOWN_SUM = %d; SUM = %d\n", known_sum, sum);
}
return (known_sum == sum);
}
</ompts:testcode>
</ompts:test>